Paleontologist Dr. Paul Sereno and reptile expert Dr. Brady Barr made perhaps the most exciting discovery of their careers when they discovered fossilized bones in the Sahara Desert which confirmed the existence of a massive prehistoric… MorePaleontologist Dr. Paul Sereno and reptile expert Dr. Brady Barr made perhaps the most exciting discovery of their careers when they discovered fossilized bones in the Sahara Desert which confirmed the existence of a massive prehistoric crocodile -- 40 feet long, weighing ten tons, and as big as a school bus. National Geographic Video: SuperCroc is a documentary which looks at Sereno and Barr's remarkable discovery, and examines (through computer animated re-creations) how the creature lived and how it became extinct. Actor Sam Neill narrates. ~ Mark Deming, Rovi